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Technical specifications

8.5 Hardware description

SIMATIC IPC277E

124 Operating Instructions, 11/2019, A5E35783335-AE

8.5.4.5 NVRAM address register

NVRAM occupies a 512 KB memory address area that can be read via PCI registers.

Meaning of the bits

NVRAM address register

PCI register address:

NVRAM base address regis-

ter

PCI register content:

NVRAM memory address (default)

Length of the memory area

9060 0000h Address is assigned dynamically

(depending on device configura-

tion)

80000 h

Siemens SIMATIC IPC277E User Manual

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